In a statement, the county Department of Public Health said the newest case involved a resident who recently returned from an American Israel Public Affairs Committee conference in Washington, D.C. "where there was a known exposure to a person who was positive for COVID-19."
The agency said it was identifying people may have had close personal contact with the patient in order to monitor them for possible symptoms.
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"There are no known public exposure locations related to this case," the news release said, adding that all confirmed cases are isolated and their close contacts are quarantined for 14 days from their last exposure.
"As we continue to see more cases of COVID-19, it is important that everyone take common sense precautions: stay home when ill, wash hands frequently, and plan ahead for possible social disruptions," said Dr. Barbara Ferrer, L.A. County's director of public health. "Pregnant women, individuals with underlying health conditions, and older people should practice social distancing and avoid being in close contact with others who are ill."
#PressRelease 2019 Novel #Coronavirus (COVID-19) Advisory - One New Case of Confirmed #COVIDー19 in Los Angeles County. Total number of cases for the county is now 14. View https://t.co/QQk0RibvpV pic.twitter.com/7s5ch2hnh6— LA Public Health (@lapublichealth) March 7, 2020